SATHEE: D-And F-Block Elements Ques 479

D-And F-Block Elements Ques 479

Question: $(X) + K_{2} C O_{3} + A i r \overset{h e a t}{\to} (Y)$

$(Y) + C l_{2} \overset{}{\to} (Z) P i n k$ Which of the following is correct-

Options:

A) $X = b l a c k, M n O_{2}, Y = B l u e,$ $K_{2} C r O_{4}, Z = K M n O_{4}$

B) $X = g r e e n, C r_{2} O_{3}, Y = Y e l l o w,$ $K_{2} C r O_{4}, Z = K_{2} C r_{2} O_{7}$

C) $X = b l a c k, M n O_{2}, Y = g r e e n,$ $K_{2} M n O_{4}, Z = K M n O_{4}$

D) $X = b l a c k, B i_{2} O_{3}, Y = c o l o u r l e s s$ $K B i O_{2}, Z = K B i O_{3}$

Show Answer

Answer:

Correct Answer: C

Solution:

$\underset{(X)}{2 M n O_{2}}, + 2 K_{2} C O_{3} + \underset{(a i r)}{O_{2}}, \overset{Δ}{\to}$ $2 K_{2} \underset{\begin{matrix} g r e e n \\ (Y) \end{matrix}}{M n O_{4}}, + 2 C O_{2} ↑$

$\underset{(Y)}{2 K_{2} M n O_{4}}, + C l_{2} \overset{}{\to} \underset{(Z), P i n k}{2 K M n O_{4}}, + 2 K C l$

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D-And F-Block Elements Ques 479

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Question: $(X) + K_{2} C O_{3} + A i r \overset{h e a t}{\to} (Y)$